Flightcheck Commercial Aviation Services was founded in 2004 as an aircraft maintenance provider and began operations at Chicago O’Hare in April 2006. It is now the largest commercial line maintenance provider in the Chicago area, providing technical handling, aircraft de-icing, and limited ground handling for over 35 Domestic and International Airlines at O’Hare Int’l Airport. Since 2015, Flightcheck has expanded its line maintenance locations to include Washington-Dulles Int’l (IAD), Las Vegas McCarren Int’l (LAS), and Chicago-Rockford Int’l (RFD). In 2017, Flightcheck was responsible for over 30,000 commercial flights.